英语语法句子种类基础知识
<p> 句子的种类可分为陈述句、疑问句、祈使句和感叹句。</p><p> 1. 凡是说明一件事情，提出一个看法，或者表达一种心情的句子都是陈述句。大多数的句子都是陈述句，它可以用肯定式和否定式，句末用句号.，通常用降调。</p><p> 掌握陈述句的肯定式和否定式的构成及用法。</p><p> <span word="e">e</span>.<span word="g">g</span>. <span word="We">We</span> <span word="live">live</span> <span word="in">in</span> <span word="Tianjin">Tianjin</span>. (肯定句)我们住在天津。</p><p> <span word="We">We</span> <span word="dont">dont</span> <span word="live">live</span> <span word="in">in</span> <span word="Shanghai">Shanghai</span>. (否定句)我们不住在上海。</p><p> 注意：(1)在一般现在时的肯定式中，主语是第三人称单数时，动词要改成第三人称单数形式。</p><p> <span word="e">e</span>.<span word="g">g</span>. <span word="John">John</span> <span word="studies">studies</span> <span word="Chinese">Chinese</span> <span word="very">very</span> <span word="well">well</span>.</p><p> (2)一般现在时和一般过去时的否定式要加助动词<span word="do">do</span> (<span word="does">does</span>), <span word="did">did</span>.</p><p> <span word="e">e</span>.<span word="g">g</span>. <span word="I">I</span> <span word="dont">dont</span> <span word="like">like</span> <span word="swimming">swimming</span>. 我不喜欢游泳。</p><p> <span word="He">He</span> <span word="doesnt">doesnt</span> <span word="have">have</span> <span word="lunch">lunch</span> <span word="at">at</span> <span word="home">home</span> <span word="every">every</span> <span word="day">day</span>. 他每天不在家吃午饭。</p><p> <span word="They">They</span> <span word="didnt">didnt</span> <span word="play">play</span> <span word="football">football</span> <span word="yesterday">yesterday</span>. 他们昨天没有踢足球。</p><p> 2. 掌握一般疑问句、特殊疑问句、选择疑问句和反意疑问句的构成、用法和答语。注意在一般现在时和一般过去时的疑问句要加助动词<span word="do">do</span>(<span word="does">does</span>), <span word="did">did</span>.</p><p> <span word="e">e</span>.<span word="g">g</span>. <span word="Do">Do</span> <span word="you">you</span> <span word="often">often</span> <span word="speak">speak</span> <span word="English">English</span> <span word="at">at</span> <span word="school">school</span> ? 在学校你常讲英语吗?</p><p> <span word="Does">Does</span> <span word="she">she</span> <span word="have">have</span> <span word="a">a</span> <span word="brother">brother</span> ? = <span word="Has">Has</span> <span word="she">she</span> <span word="got">got</span> <span word="a">a</span> <span word="brother">brother</span> ? 她有兄弟吗?</p>
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